To display Compare Sessions Inspector, select a session, click Compare (a) on the toolbar or in the sessions' context menu (b) or double-click the session. The Compare Sessions Inspector will open in the new tab (c). You can select from the several views by clicking an appropriate tab. Every view shows a split screen displaying:

recorded session content on the pane left (d)

replayed session content on the pane right (e)

The content is automatically compared. All differences are highlighted as follows:

in the recorded pane (on the left) in green (f)

in the replayed pane (on the right) in orange (g)

The following views are available:

1. Raw request. Displays an unformulated request content.

Recorded and replayed line are numbered and auto-aligned.

Lines with discrepancies are colored.

Characters with discrepancies are displayed in bold (h).

2. Response. Displays an unformulated response content.

Recorded and replayed line are numbered and auto-aligned.

Left and right panes can be auto-scrolled vertically.

Line numbering on very large sessions is disabled by default for performance; It can be manually re-enabled by checking the box.

Lines with discrepancies are colored.

Characters with discrepancies are displayed in bold.

To show or hide line number, click or .

To split the screen 1:1, click .

To display replayed session information click

To create a validator for this response, click

To ignore any warnings or errors from this session, click

The following information will be displayed:

VU number

Iteration number

Request issuing time from the test start

Response receiving time from the test start

3. Header. Displays request headers in the name / value pair format

Recorded and replayed headers are displayed in two aligned grids (i).

Lines with discrepancies are colored (j).

4. Query. Displays only if the request has a query string in the name / value pair format

Recorded and replayed query string are displayed in two aligned grids

Lines with discrepancies are colored.

5. Web Form. Displays only if the request is a web form.

Recorded and replayed web forms are displayed in two aligned grids.

Lines with discrepancies are colored.

In all of the views, both panes are independently searchable using the Find boxes on the toolbar (k).

6. Web View. Compare screenshots captured during records and verify. This helps to quickly pinpoint the differences or view errors.

7. Image view. If the request is to an image, then compare images during records and verify.

8. Extractor Verification. If the request uses extractor parameters, then click the Extractor Verification tab (l) to see the list of extractors. The list will look like the extractor verification form but only show extractors used by the current request.